18 Questions
In the context of energy, what is the sum of kinetic energy and potential energy called?
Mechanical energy
Which type of energy is possessed by objects in motion and can do work?
Mechanical energy
What type of energy is possessed by an object due to its configuration or change in position?
Potential energy
According to the work-energy theorem, how can the net work done by a moving body be calculated?
Finding the change in kinetic energy
When two identical bodies are in motion, which body has more kinetic energy?
The body with higher velocity
What is the type of energy that gets stored in an object when work is done on it?
Potential energy
What is the definition of work in the context of Physics?
Work is the product of force and distance moved in the direction of the force.
In Physics, energy is defined as:
The quantitative property that is transferred to a body or system, seen in work performance and forms like heat and light.
What happens to the work done if a force acts on an object but causes no displacement?
The work done is zero.
What is the SI unit of energy or work?
Joule
Which term represents the ability to do work?
Energy
What type of quantity is energy according to physics?
Scalar
What does the Law of Conservation of Energy state?
Energy can only be transferred from one form to another.
In the equation Total energy = KE + PE, what do KE and PE represent respectively?
Kinetic Energy, Potential Energy
What happens to the total energy when a ball falls freely from a height according to the Law of Conservation of Energy?
Total energy remains constant.
What is power defined as?
The rate of doing work or transfer of energy per unit time.
Which unit is used to measure power?
Joule per second
What is the commercial unit of power used for measuring energy consumption?
Kilowatt hour (kWh)
Learn about different forms of energy such as light, heat, chemical, electrical, and mechanical. Understand the concepts of kinetic energy and its relation to work done by moving objects. Dive into the equations and principles behind energy transformations.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
